Abstract
The analysis concerning the influence of strength heterogeneity factor (hf =f 1/f 2 - basic material strength to weaker layer strength) on the crack propagation mechanism in laminar rock-like materials is presented. Finite Element Method was applied to stress analysis as well as the lost element method being applied to the simulation of crack propagation. The analysis used PJ failure criterion (Podgórski1,2) which was used for the description of a material which has properties close to the rock or concrete.
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REFERENCES
Podgórski J., General Failure Criterion for Isotropic Media. Journal of Engineering Mechanics ASCE, 111 2, 188–201 (1985).
Podgórski J., Influence Exerted by Strength Criterion on Direction of Crack Propagation in the Elastic- Brittle Material. Journal of Mining Science 38 (4); 374–380, (2002) July- August, Kluwer Academic/Plenum Publishers.
Podgórski J., Jonak J., Jaremek P. The Strength Asymmetry Effect in Laminar Rock-Like Materials on Crack Propagation, MPES Proceedings, Wrocław 1.09–3.09. 2004
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Podgórski, J., Jonak, J. (2006). INFLUENCE OF STRENGTH HETEROGENEITY FACTOR ON CRACK SHAPE IN LAMINAR ROCK-LIKE MATERIALS. In: Sadowski, T. (eds) IUTAM Symposium on Multiscale Modelling of Damage and Fracture Processes in Composite Materials. SOLID MECHANICS AND ITS APPLICATIONS, vol 135. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4566-2_29
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DOI: https://doi.org/10.1007/1-4020-4566-2_29
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-4565-3
Online ISBN: 978-1-4020-4566-0
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